Catalyst passivation process

Details Catalyst passivation process Catalyst passivation process

1984-02-08

1986-01-28

Henderson, Christopher A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528483, C08F 608, C08F 804

Patent

active

045672512

ABSTRACT:
The present invention involves a method of treating solutions of hydrogenated conjugated diene polymers contaminated with residues of nickel hydrogenation catalysts, wherein the solutions are first oxidized and then contacted with a ligand which readily forms a stable nickel compound.

REFERENCES:
patent: 3793306 (1974-02-01), Farrar
patent: 4395356 (1983-07-01), Slaugh

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